d0328e3293
Change-Id: I08ad2fad6122734cbcc5842c0b6f76c5f680b69c Closes-Bug: #1214176
72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
# Copyright 2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from keystone.common import sql
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from keystone import exception
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from keystone.policy.backends import rules
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class PolicyModel(sql.ModelBase, sql.DictBase):
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__tablename__ = 'policy'
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attributes = ['id', 'blob', 'type']
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id = sql.Column(sql.String(64), primary_key=True)
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blob = sql.Column(sql.JsonBlob(), nullable=False)
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type = sql.Column(sql.String(255), nullable=False)
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extra = sql.Column(sql.JsonBlob())
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class Policy(rules.Policy):
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@sql.handle_conflicts(conflict_type='policy')
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def create_policy(self, policy_id, policy):
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with sql.session_for_write() as session:
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ref = PolicyModel.from_dict(policy)
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session.add(ref)
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return ref.to_dict()
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def list_policies(self):
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with sql.session_for_read() as session:
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refs = session.query(PolicyModel).all()
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return [ref.to_dict() for ref in refs]
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def _get_policy(self, session, policy_id):
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"""Private method to get a policy model object (NOT a dictionary)."""
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ref = session.query(PolicyModel).get(policy_id)
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if not ref:
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raise exception.PolicyNotFound(policy_id=policy_id)
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return ref
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def get_policy(self, policy_id):
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with sql.session_for_read() as session:
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return self._get_policy(session, policy_id).to_dict()
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@sql.handle_conflicts(conflict_type='policy')
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def update_policy(self, policy_id, policy):
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with sql.session_for_write() as session:
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ref = self._get_policy(session, policy_id)
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old_dict = ref.to_dict()
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old_dict.update(policy)
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new_policy = PolicyModel.from_dict(old_dict)
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ref.blob = new_policy.blob
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ref.type = new_policy.type
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ref.extra = new_policy.extra
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return ref.to_dict()
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def delete_policy(self, policy_id):
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with sql.session_for_write() as session:
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ref = self._get_policy(session, policy_id)
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session.delete(ref)
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